EXFO FTB-800 Series for FTB-1 - Manual (Page 118)

Test Setup - Test Configurator, Timer, and System
108 FTB-700G/800 Series
Cable Test
Pass/Fail Verdict

Pass/Fail Verdict check box when selected (default) enables the cable
test pass/fail verdict and allows to set the threshold values.

Prop. Delay Threshold (ns) is the maximum time for a pulse to
reach the far end: 0 to 1000 ns (default is 1000 ns for 10 Mbit/s,
556 ns for 100 Mbit/s, and 570 ns for 1Gbit/s).

Delay Skew Threshold (ns) is the maximum time between the
fastest and slowest pairs of a 1000 Base-T signal: 0 to 120 ns
(default is 50 ns).

Length Threshold (m) is the maximum acceptable cable length:
0 to 120 m (0 to 394 feet) (default is 100 m (328 ft)).

Restore Threshold Defaults button reverts all pass/fail thresholds
to their default values.